InChI=1/C16H14N6/c1-11-15(19-10-18-11)16-17-8-9-22(16)13-4-2-12(3-5-13)14-6-7-20-21-14/h2-10H,1H3,(H,18,19)(H,20,21)/f/h19-20H F012F6DE875EFDCE